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Implantable devices and methods for treating fecal incontinence

a technology of fecal incontinence and implantable devices, which is applied in the field of implantable devices and methods for treating fecal incontinence, can solve the problems of inconvenient patient treatment, invasive surgery that may be required, and the effect of reducing the risk of infection, less time, and less surgery

Active Publication Date: 2008-06-03
THD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0013]Various embodiments of the invention may possess one or more features capable of fulfilling the objects outlined above. The various embodiments of the invention provide for less invasive surgical intervention than other surgical techniques. As a result, the implantations may be performed in less time and with less expense, and with reduced recovery time for the patient. In addition, bulking prostheses implanted according to the invention may be readily removed, if necessary. Also, once the implants are in place, no further maintenance is necessary, as the bulking prosthesis require no electrical power supply and have no coupled moving parts. Many embodiments of bulking prostheses are of a size that stay in place following implantation, and have less tendency to migrate.

Problems solved by technology

The problems include, for example, effectiveness of the treatment, inconvenience to the patient, the invasiveness of surgery that may be required along with the associated recovery time, and risks associated with mechanical or electrical failure of implanted devices having moving parts or electrical components.
In the case of some implanted materials or devices, there are risks associated with device migration, and the implanted materials or devices are not easily removable.

Method used

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  • Implantable devices and methods for treating fecal incontinence
  • Implantable devices and methods for treating fecal incontinence
  • Implantable devices and methods for treating fecal incontinence

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Embodiment Construction

[0027]FIG. 1 is a sagittal cross section of a pelvic region of a female patient 10. In FIG. 1, the rectum 12 of patient 10 extends inferiorly and terminates with the anal opening or anal canal 14. The anal walls 16 proximate to anal opening 14 include a mucosa (not shown in FIG. 1) proximate to anal opening 14, a submuscosa (not shown in FIG. 1) beneath the mucosa, and a musculature underlying the submucosa. The underlying musculature includes an internal anal sphincter (not shown in FIG. 1) and external anal sphincter (not shown in FIG. 1). The external anal sphincter, which is under the voluntary control of patient 10, is located more distally from anal opening 14 than is the internal anal sphincter.

[0028]FIG. 1 further shows bulking prostheses 18 implanted in the tissue of anal walls 16. Bulking prostheses 18 have been inserted in the tissue proximate to an anal sphincter. In the specific implantation shown in FIG. 1, bulking prostheses 18 have been implanted in the submucosa bet...

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Abstract

In general, the invention is directed to treatment of fecal incontinence by the implantation of one or more bulking prostheses proximate to an anal sphincter. These bulking prostheses, which may include biocompatible hydrogel, are inserted into the tissue near the anus through a small opening in the mucosa. When inserted, the bulking prostheses are in a miniature state. Upon introduction into the body, the devices enter an enlarged state. In their enlarged state, the bulking prostheses supply extra bulk to the tissues proximate to the anal sphincters. With the extra bulk, the patient can exercise voluntary control over the external sphincter to close the anus and maintain fecal continence.

Description

FIELD OF THE INVENTION[0001]The invention relates to medical devices implantable in and near the gastrointestinal tract.BACKGROUND[0002]Fecal incontinence is the loss of voluntary control to retain feces in the rectum. Fecal incontinence may be the result of a number of causes, such as old age, disease or trauma. Some patients suffering from fecal incontinence may deal with the condition by performing exercises, utilizing biofeedback or managing the diet.[0003]For some patients, however, such measures are ineffective. In a healthy human being, the internal and external anal sphincters contract to prevent the escape of waste, the external sphincter being under the voluntary control of the patient. In some patients, however, the patient may have some control over the external sphincter, but one or both sphincters lack sufficient bulk to close the anus and prevent the escape of fecal matter.[0004]There have been many approaches addressing fecal incontinence. For example, U.S. Pat. No. ...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A61F2/02A61F2/00A61L31/14
CPCA61L31/145A61F2/0036
Inventor GERBER, MARTIN T.STARKEBAUM, WARREN L.SWOYER, JOHN M.
Owner THD
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